Location History:
- North Baddesley, GB (1981)
- Ringwood, GB (1994)
- Ashley Heath, GB (1995)
Company Filing History:
Years Active: 1981-1995
Title: David J Brown - Innovator in Signal Processing
Introduction
David J Brown is a notable inventor based in Ringwood, GB. He has made significant contributions to the field of signal processing, holding a total of 3 patents. His work primarily focuses on enhancing the quality and reliability of video signal processing.
Latest Patents
One of his latest patents is for a signal processing apparatus designed to process line synchronization pulses in an analog video signal. This apparatus utilizes a phase locked loop to generate a clock signal that is a multiple of the line synchronization signal frequency. It includes a counter that divides the clock signal and logic for resetting the counter upon detecting spurious pulses. This innovation is particularly beneficial for image processing systems that digitize analog video signals from conventional video tape players.
Another significant patent by David J Brown involves phase alternating line video signal processing. This apparatus features a chrominance subsampler that samples the U and V components of a video signal. It generates an enable signal based on the horizontal synchronization component and includes logic that resets and disables the counter upon detecting a vertical synchronization pulse. This technology enhances the processing of video signals, ensuring better quality and accuracy.
Career Highlights
David J Brown is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of signal processing. His work has had a lasting impact on the industry, particularly in the realm of video technology.
Collaborations
Throughout his career, David has collaborated with notable colleagues, including David C Conway-Jones and Peter M Smith. These collaborations have contributed to the advancement of technology in their respective fields.
Conclusion
David J Brown is a distinguished inventor whose work in signal processing has led to significant advancements in video technology. His patents reflect a commitment to improving the quality of video signals, making him a valuable asset in the field of innovation.